Duplex (2 Units, Any Combination)Residential
24 LYON AVE
GREENWICH, CT 06830
4
Beds
3
Baths
2,252 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,474 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$522,130 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$343,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$178,990
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$448,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$945,240
Climate Risk
Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyWESTERN CONNECTICUT
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1960
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck
Transaction History(1)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EMH
Hamilton Avenue SchoolC+
Elementary · Grades PK–5 · 0.2 mi
Western Middle SchoolA-
Middle · Grades 6–8 · 0.5 mi
Greenwich High SchoolA+
High · Grades 9–12 · 2.3 mi
District: Greenwich School District
Neighborhood · ZIP 06830These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.119
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.104
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.27,704
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,501 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$168,325
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$273,728
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%
Owner Tools
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How this home compares
24 Lyon Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Smaller than 66% of homes in Greenwich 06830
- Has a smaller lot than 93% of homes in Western Connecticut County
- Older than 91% of homes in Western Connecticut County
How it measures up in Greenwich 06830
The dot is this home. The mark in the middle is the typical home in Greenwich 06830.
Living area2,252 ft²
SmallerTypical 2,994 ft²Bigger
Bigger than 34% of homes nearby
Lot size0.14 ac
SmallerTypical 0.46 acBigger
Bigger than 15% of homes nearby
Year built1922
OlderTypical 1956Newer
Newer than 22% of homes nearby
| Measure | This home | Greenwich 06830 | Western Connecticut County |
|---|---|---|---|
| Living areabigger than | 2,252 ft² | 34% of homes | 59% of homes |
| Lot sizebigger than | 0.14 ac | 15% of homes | 7% of homes |
| Year builtnewer than | 1922 | 22% of homes | 9% of homes |
About 24 Lyon Ave
When did 24 Lyon Ave, Greenwich, CT last sell?
24 Lyon Ave, Greenwich, CT last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 24 Lyon Ave, Greenwich, CT?
24 Lyon Ave, Greenwich, CT has 4 bedrooms, 3 bathrooms, 2,252 square feet of living space and a 0.14-acre lot.
When was 24 Lyon Ave, Greenwich, CT built?
24 Lyon Ave, Greenwich, CT was built in 1922, making it 104 years old. It is a duplex single home. The building has 3 stories.
What schools serve 24 Lyon Ave, Greenwich, CT?
24 Lyon Ave, Greenwich, CT is assigned to Hamilton Avenue School (elementary), rated C+; Western Middle School (middle), rated A-; Greenwich High School (high), rated A+. All sit in Greenwich School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 24 Lyon Ave, Greenwich, CT compare to other homes in Greenwich 06830?
Among the 6,738 homes in Greenwich 06830, it is bigger than 34% of them (2,252 ft² against a typical 2,994 ft²), its lot is bigger than 15% of them (0.14 ac against a typical 0.46 ac) and it is newer than 22% of them (1922 against a typical 1956). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 24 Lyon Ave, Greenwich, CT?
The 2026 property tax bill for 24 Lyon Ave, Greenwich, CT was $5,474. The county assessed it at $522,130.
More homes on Lyon Ave
- 15 Lyon Ave6 bd · 3 ba · 2,941 ft² · Sold $1.1M · Mar 2025
- 25 Lyon Ave5 bd · 3 ba · 3,079 ft² · Sold $795K · Jan 2022
- 16 Lyon Ave$1.1M3 bd · 2 ba · 1,580 ft² · Sold $570K · Jun 2016
- 22 Lyon Ave4 bd · 2 ba · 2,228 ft² · Sold $499K · May 2015
- 6 Lyon Ave$1.5M3 bd · 2.5 ba · 2,184 ft² · Sold $505K · Nov 2010
- 10 Lyon Ave4 bd · 3.5 ba · 1,908 ft² · Sold $390K · Feb 2010
- Lyon Ave1,307 ft² · Sold $1.4M · Sep 2002
- 26 Lyon Ave4 bd · 2.5 ba · 2,410 ft² · Sold $250K · Jun 1998
- 21 Lyon Ave5 bd · 3 ba · 2,337 ft² · Sold $285K · Jan 1997
- 5 Lyon Ave$1.3M4 bd · 2.5 ba · 2,695 ft² · Sold Jan 1900
- 9 Lyon Ave$1.4M2 bd · 1.5 ba · 2,115 ft² · Sold Jan 1900
- 18 Lyon Ave$1.5M5 bd · 2.5 ba · 2,065 ft² · Sold Jan 1900
Closest homes
- 26 Lyon Ave50 ft · 4 bd · 2.5 ba · 2,410 ft² · Sold $250K · Jun 1998
- 22 Lyon Ave50 ft · 4 bd · 2 ba · 2,228 ft² · Sold $499K · May 2015
- 28 Lyon Ave$1.3M100 ft · 3 bd · 2 ba · 2,445 ft² · Sold Jan 1900
- 20 Lyon Ave100 ft · 4 bd · 5 ba · 3,080 ft² · Sold Jan 1900
- 18 Lyon Ave$1.5M150 ft · 5 bd · 2.5 ba · 2,065 ft² · Sold Jan 1900
- 16 Lyon Ave$1.1M200 ft · 3 bd · 2 ba · 1,580 ft² · Sold $570K · Jun 2016
- 23 Lyon Ave$1.4M176 ft · 3 bd · 2.5 ba · 2,856 ft² · Sold Jan 1900
- 25 Lyon Ave190 ft · 5 bd · 3 ba · 3,079 ft² · Sold $795K · Jan 2022
More homes in Greenwich 06830
- 1 Idar Ct$2.9M3 bd · 3.5 ba · 3,572 ft² · Sold $2.9M · Oct 2026
- 52 Lafayette Pl$475K1 bd · 1 ba · 767 ft² · Sold $463K · Oct 2026
- 84 E Putnam Ave4 bd · 4 ba · 2,170 ft² · Sold $2.1M · Oct 2026
- 39 Stanwich Rd$3.5M4 bd · 4 ba · 4,700 ft² · Sold $3.2M · Oct 2026
- 47 Lafayette Pl$1M2 bd · 2 ba · 1,087 ft² · Sold $1.3M · Oct 2026
- 33 Sachem Rd$1.8M3 bd · 3 ba · 2,972 ft² · Sold $1.8M · Oct 2026
- 53 Alexander St4 bd · 3.5 ba · 2,350 ft² · Sold $270K · Oct 2026
- 16 Annjim Dr$4.9M5 bd · 5.5 ba · 4,552 ft² · Sold $4.9M · Oct 2026
- 20 Rustic View Rd$2.4M4 bd · 3 ba · 3,007 ft² · Sold $2.7M · Oct 2026
- 33 Hillside Rd$3.3M7 bd · 4 ba · 3,439 ft² · Sold $3M · Oct 2026
- 169 Mason St$593K1 bd · 1 ba · 660 ft² · Sold $540K · Oct 2026
- 7 Hervey St$1.1M3 bd · 1 ba · 1,358 ft² · Sold $1.1M · Oct 2026
Assigned schools
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